140505414423 has 16 divisors (see below), whose sum is σ = 204535200000. Its totient is φ = 85086593280.

The previous prime is 140505414397. The next prime is 140505414437. The reversal of 140505414423 is 324414505041.

It is a happy number.

It is not a de Polignac number, because 140505414423 - 2¹⁶ = 140505348887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140505414493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663243 + ... + 1745676.

It is an arithmetic number, because the mean of its divisors is an integer number (12783450000).

Almost surely, 2^140505414423 is an apocalyptic number.

140505414423 is a deficient number, since it is larger than the sum of its proper divisors (64029785577).

140505414423 is a wasteful number, since it uses less digits than its factorization.

140505414423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410182.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 140505414423 its reverse (324414505041), we get a palindrome (464919919464).

The spelling of 140505414423 in words is "one hundred forty billion, five hundred five million, four hundred fourteen thousand, four hundred twenty-three".